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Mathematics
Mathematics
Problem
Evaluate
I
I
I
.
I
=
∫
0
π
/
2
sin
x
sin
x
+
cos
x
I = \int_0^{\pi/2} \frac{\sin x}{\sin x + \cos x}
I
=
∫
0
π
/2
sin
x
+
cos
x
sin
x
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